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- 90 Degree Flame Sensor-Goodman/Amana/GMC -FLS201 -Will Fit Other Furnaces-2"x 1 5/8" - Supco
Product Description
Goodman/Amana/GMC/Janitrol, but will fit other Furnace Brands - 90 Degree Flame Sensor for use with Hot Surface Ignition (H.S.I.) furnaces, package units, hot water heaters, gas logs, pools, ect. - Approximately 2" Length (top to bracket) x 1 5/8"W. Flame should touch the tip of the flame sensor and after sensor becomes hot, a low voltage signal will be sent to the gas valve (if flame sensor is clean and in good working order and the ceramic is free of cracks), which will then open, allowing gas to flow to the ignitor. Can be cleaned with fine steel wool. New and made by Supco. #FLS201
. For more detailed technical info, please copy and paste the following link: http://yorkcentraltechtalk.wordpress.com/2011/10/10/flame-sensors-%e2%80%93-all-gas-furnaces/
| - temperature rating 250ºC | |
| The purpose of the flame sensor rod is to tell the controller that the main gas burners have ignited. If no flame is present after a certain amount of time, the controller needs to take the appropriate actions, first of which is to close the gas valves to the main burners. It’s very important that the flame sensor rod works properly. Dirt, corrosion, or bad connections in the flame sensing circuit can cause the controller to think the flame didn’t ignite. The gas valve will be shut down prematurely. Controller manufacturers publish specifications for the flame diode DC offset current. You can measure the current in the flame sensing rod by putting an instrument in series with the flame sensing rod. The instrument must be capable of measuring 1 to 10 micro amps DC and have a resolution of .1 micro amps. Instruments that can test flame sensors are carried by qualified HVAC professionals. If your flame sensor is dirty or corroded it will not perform properly. Short term it may be helped by cleaning with steel wool but a replacement sensor is not costly and should be immediatlely considered as the best option. |
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